{"product_id":"spider-farmer-seedling-heat-mat-set-sf-sm10x20","title":"Spider Farmer Seedling Heat Mat Set | SF-SM10X20","description":"\u003ch3\u003eSpider Farmer 10″×20.75″ Waterproof Seedling Heat Mat \u0026amp; Controller Set\u003c\/h3\u003e\n\u003cp\u003eThe Spider Farmer Seedling Heat Mat \u0026amp; Controller Set provides consistent, targeted bottom heat to accelerate germination and root development in cuttings and seedlings. The waterproof 10″×20.75″ mat fits standard 1020 seedling trays and warms root zones by 50-77°F above ambient temperature for rapid, uniform sprouting.\u003c\/p\u003e\n\u003cp\u003eThe digital controller takes the guesswork out of temperature management, letting you set a precise target and holding it within ±1°F. The robust, waterproof mat handles repeated watering and high-humidity environments without degradation.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Digital Temperature Controller\u003c\/strong\u003e - Set your exact target temperature and the controller maintains it within ±1°F automatically.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50-77°F Above Ambient Heating\u003c\/strong\u003e - Boosts root-zone temperatures significantly above room temp to trigger germination in even cool environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof Construction\u003c\/strong\u003e - Fully sealed mat withstands regular watering, spills, and high-humidity propagation environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 1020 Tray Fit\u003c\/strong\u003e - Sized specifically for standard 10″×20″ seedling trays for a perfect fit without overhanging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Heat-Up Time\u003c\/strong\u003e - Reaches target temperature quickly so seeds and cuttings experience consistent warmth from day one.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spider Farmer","offers":[{"title":"Default Title","offer_id":56296473854118,"sku":"SF-10X20-ONEKIT","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/6344\/0294\/files\/spider-farmer-10x2075-seedling-heat-mat-controller-set-885027.jpg?v=1773631824","url":"https:\/\/gridfreesupply.com\/products\/spider-farmer-seedling-heat-mat-set-sf-sm10x20","provider":"Grid Free Supply","version":"1.0","type":"link"}